import hw3.*;
import java_cup.runtime.*;
import Common.Listing;
import Common.openFile;

public class main {
   public static void main(String args[]) throws Exception {
      new Listing(System.out);
      Parser parser = new Parser(new Yylex(args.length == 0 ? new openFile("") : new openFile(args[0])));
      parser.parse();
   }

}
